| Id | Name | Systems | Actions |
|---|---|---|---|
| 3237 | Mach Rider | NES | Versions |
| 1342 | Mad Max | NES | Versions |
| 1605 | Madagascar | GBA | Versions |
| 3455 | Madagascar | GC | Versions |
| 2975 | Madagascar: Operation Penguin | GBA | Versions |
| 593 | Madou King Granzort | SGX | Versions |
| 537 | Madou Monogatari I | Genesis | Versions |
| 3200 | Magic Boy | SNES | Versions |
| 2033 | Magic Knight Rayearth | Saturn | Versions |
| 1276 | Magic Sword: Heroic Fantasy | SNES | Versions |
| 3950 | Magical Pop'n | SNES | Versions |
| 441 | Magical Taruruuto-Kun | Genesis | Versions |
| 1559 | Magical Tetris Challenge | N64 | Versions |
| 2263 | Magical Tree | SG1000 | Versions |
| 516 | Magician | NES | Versions |
| 1562 | Magician Lord | Arcade | Versions |
| 4174 | Magicland Dizzy | ZXS | Versions |
| 835 | Magnetica | DS | Versions |
| 3043 | Mahjong Fight Club DS | DS | Versions |
| 3195 | Mahoujin Guruguru | SNES | Versions |
| 1349 | Majou Densetsu II: Daimashikyou Galious | NES | Versions |
| 1798 | Majyuuou | SNES | Versions |
| 2741 | Makaimura for WonderSwan | WSWAN | Versions |
| 1955 | Mamono Hunter Youko: Dai 7 no Keishou | Genesis | Versions |
| 84 | Maniac Mansion | NES | Versions |